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M4.0 Depth: 39.9 km

M4.0 Earthquake near Taiwan (Taiwan)

UTC time: 2026-08-17 23:26:21 UTC Local time: —

About this earthquake

On August 17, 2026 at 23:26 UTC, a magnitude M4.0 earthquake occurred near Taiwan (Taiwan). With a focal depth of about 40 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by Taiwan CWA and cross-checked across seismological networks. Taiwan: 4 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Details

Magnitude
M4.0
Depth
39.9 km
UTC time
2026-08-17 23:26:21 UTC
Local time
—
Country
Taiwan
City
Taiwan
Source
cwa
Coordinates
23.27000, 121.56000

Map

Depth profile

Depth profile Depth: 39.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 39.9 km
Shallow
39.9 km
39.9 km — deeper than the regional average (26.5 km)
Regional average: 26.5 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Volcanoes nearby

  • Kueishantao
    Distance: 179 km ·Stratovolcano ·Elevation: 361 m ·Last eruption: 1853 ·Taiwan
  • Tatun Volcanic Group
    Distance: 212 km ·Lava dome(s) ·Elevation: 1'120 m ·Last eruption: 648 ·Taiwan
  • Submarine Volcano NNE of Iriomotejima
    Distance: 281 km ·Stratovolcano ·Elevation: -200 m ·Last eruption: 1924 ·Japan
  • Iraya
    Distance: 315 km ·Stratovolcano ·Elevation: 1'009 m ·Last eruption: 1454 ·Philippines
  • Babuyan Claro
    Distance: 418 km ·Stratovolcano(es) ·Elevation: 1'064 m ·Last eruption: 1924 ·Philippines
  • Didicas
    Distance: 471 km ·Compound ·Elevation: 228 m ·Last eruption: 1978 ·Philippines

Historic earthquake map · Taiwan

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · Taiwan

Country overview
View earthquake KPIs, strongest and latest events, and averages for this country.

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